212220033 has 8 divisors (see below), whose sum is σ = 283195200. Its totient is φ = 141362448.

The previous prime is 212220031. The next prime is 212220053. The reversal of 212220033 is 330022212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 212220033 - 2¹ = 212220031 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 212219994 and 212220021.

It is not an unprimeable number, because it can be changed into a prime (212220031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25093 + ... + 32466.

It is an arithmetic number, because the mean of its divisors is an integer number (35399400).

Almost surely, 2^212220033 is an apocalyptic number.

It is an amenable number.

212220033 is a deficient number, since it is larger than the sum of its proper divisors (70975167).

212220033 is a wasteful number, since it uses less digits than its factorization.

212220033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58791.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 212220033 is about 14567.7737832519. The cubic root of 212220033 is about 596.4794134094.

Adding to 212220033 its reverse (330022212), we get a palindrome (542242245).

It can be divided in two parts, 2122 and 20033, that added together give a triangular number (22155 = T₂₁₀).

The spelling of 212220033 in words is "two hundred twelve million, two hundred twenty thousand, thirty-three".